Landlock v1.3

[regit]

Replace #7696

• [x] I have read the contributing guide lines at https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Contributing
• [x] I have signed the Open Information Security Foundation contribution agreement at https://suricata.io/about/contribution-agreement/
• [x] I have updated the user guide (in doc/userguide/) to reflect the changes made (if applicable)

Link to redmine ticket: https://redmine.openinfosecfoundation.org/issues/5479

Describe changes:

• Handle pcap directory mode
• Disable landlock if file extraction is enabled and kernel is before 5.19
• Address "cosmetic" remarks
• Comment in YAML about filemagic dependencies of /usr and /etc addition

[regit]

Need to address documentation points.

[codecov[bot]]

Codecov Report

Merging #7697 (70d7376) into master (f3d3274) will increase coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #7697      +/-   ##
==========================================
+ Coverage   75.88%   75.91%   +0.02%     
==========================================
  Files         659      660       +1     
  Lines      185668   185668              
==========================================
+ Hits       140893   140942      +49     
+ Misses      44775    44726      -49     

Flag	Coverage Δ
fuzzcorpus	60.74% <0.00%> (+0.14%)	:arrow_up:
suricata-verify	52.49% <100.00%> (-0.10%)	:arrow_down:
unittests	60.71% <0.00%> (+<0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

[victorjulien]

CI will need fixing.